A seaside village abandoned by its youth. College couple Kyungsoo and Yeonsu need money to escape this stifling place. Once thriving, the local hotel now stands as a derelict relic. The two receive a suspicious offer to secretly dig up a cultural artifact obstructing the hotel’s renovation and dispose of it in the sea. As Kyungsoo and Yeonsu struggle to unearth the artifact, they hear an unidentifiable, eerie “Woooah” sound—and their plan begins to unravel. Meanwhile, cracks start to appear in their reality…